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We see a regular tachycardia with a narrow QRS complex and no evidence of OMI or subendocardial ischemia. But adenosine only lasts for seconds, and if the dysrhythmia recurs, then the adenosine is gone. Prevent the initiation of the dysrhythmia -- this can be done with a beta blocker by prenenting PACS 2. Adenosine worked.
Physicians initially attributed symptoms to “panic, anxiety or stress” in half of these patients, with women more likely than men to have their symptoms attributed to psychiatric causes (65% vs. 32%; P < 04). == MY Comment by K EN G RAUER, MD ( 9/7/2020 ): == Interesting case with thorough discussion by Dr. Smith on arrhythmia management.
The limb lead abnormalities appear to be part of the Brugada pattern, as described in this article: Inferior and Lateral Electrocardiographic RepolarizationAbnormalities in Brugada Syndrome Discussion Brugada Type 1 ECG changes are associated with sudden cardiac death (SCD) and the occurrence of ventricular dysrhythmias.
There is no evidence of infarction or ischemia. Here is one full text article on the topic from Clinical Cardiology 2008: Diagnostic Approach and Treatment Strategy in Tachycardia-induced Cardiomyopathy Atrial Tachycardia (AT): another SVT in the ED Rapid dysrhythmia from non-sinus focus above AV node.
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